200-500 : Zend PHP 5 Exam

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Zend
200-500
Zend PHP 5
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D. krsort()
E. Array_multisort ()
Answer: B
Question: 206
In the following code, which class can be instantiated?
1 2 abstract class Graphics {
3 abstract function draw($im, $col);
4 }
5
6 abstract class Point1 extends Graphics {
7 public $x, $y;
8 function __construct($x, $y) {
9 $this->x = $x;
10 $this->y = $y;
11 }
12 function draw($im, $col) {
13 ImageSetPixel($im, $this->x, $this->y, $col);
14 }
15 }
16
17 class Point2 extends Point1 { }
18
19 abstract class Point3 extends Point2 { }
20 ?>
A. Graphics
B. Point1
C. Point2
D. Point3
E. None, the code is invalid
Answer: C
Question: 207
What does an object based on the Active Record pattern provide?
A. A way to actively control the application's workflow
B. A way to record the history of its changes
C. A way to effortlessly store its properties in a database
Answer: C
Question: 208
What will the following function call print? Printf ('%010.6f', 22);
A. 22
B. 22.00
C. 022.000000
D. 22.000000
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Answer: C
Question: 209
The following code piece should print "PHP is cool", but unexpectedly, it just prints "cool". How
would you correct it? echo str_replace('PHP is a pain.', 'a pain', 'cool');
A. str_replace('PHP is a pain.', 'cool', 'a pain');
B. str_replace('a pain', 'cool', 'PHP is a pain.');
C. str_replace('cool', 'a pain', 'PHP is a pain.');
Answer: B
Question: 210
What is the result of the following code: class T { const A = 42 + 1; } echo T::A;
A. 42
B. 43
C. Parse error
Answer: C
Question: 211
Which of the following code snippets is correct?(Choose 2)
A) interface Draw able { abstract function draw();}
B) interface Point { function getX();function getY(); }
C) interface Line extends Point { function getX2(); function getY2(); }
D) interface Circle implements Point {function getRadius (); }
A. a)
B. b)
C. c)
D. d)
Answer: B, C
Question: 212
Is the following code piece E_STRICT compliant? final class Testing { private $test; public
function tester() {return "Tested!"; }}
A. Yes
B. No
Answer: A
Question: 213
The purpose of the singleton pattern is to...
A. ...creates applications that only a single user may use.
B. ...has just one single instance of an object in the entire application.
C. ...has only one instance of each object in a collection of objects.
Answer: B
Question: 214
What happens if you try to access a property whose name is defined in a parent class as private,
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and is not declared in the current class?
A. An E_NOTICE error will be triggered.
B. An E_ERROR error will be triggered.
C. An E_WARNING error will be triggered.
D. No errors will be triggered
Answer: A
Question: 215
What is the output of the following code?
1 2 echo '1' . (print '2') + 3;
3 ?>
A. 123
B. 213
C. 142
D. 214
E. Syntax error
Answer: D
Question: 216
An object can be counted with count() and size of() if it
A. Implements Array Access
B. Has a public __count() method
C. Was cast to an object from an array
D. None of the above
Answer: D
Question: 217
When uploading a file to a PHP script using the HTTP PUT method, where would the information
about this file be available?
A. The $_FILES super-global
B. The input stream php://stdin
C. The $_POST super-global
D. The global variable scope
Answer: B
Question: 218
What will the $array contain at the end of this script?
1 2 function modify Array (&$array)
3 {
4 for each ($array as &$value)
5 {
6 $value = $value + 1;
7 }
8
9 $value = $value + 2;
48
10 }
11
12 $array = array (1, 2, 3);
13 modify Array($array);
14 ?>
A. 2, 3, 4
B. 2, 3, 6
C. 4, 5, 6
D. 1, 2, 3
Answer: B



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